A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 2925-00-305-8030
NSN 5999-00-518-2817
NSN 5960-01-439-9517
NSN 5985-01-003-9732
NSN 6685-00-249-3628
NSN 6135-00-134-6648
NSN 6135-01-386-5709
NSN 5915-01-504-5746
NSN 6135-01-322-4655
NSN 6150-01-447-4868
NSN 6610-01-375-9994
NSN 5999-01-350-3648